{"id":"vidhyamitra:city-day:erode:2021-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/2021-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-09-04","date_display":"September 4, 2021 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2021,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459461.770833,"kali_year":5123,"ahargana":1870996.2708,"sun":{"sidereal_longitude":136.8421,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":99.6483,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.8062,"elapsed_within_tithi_degrees":10.8062},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":99.6483,"elapsed_within_degrees":6.3149},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.4903},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2021,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459461.770833,"ahargana":1870996.2708,"kali_year":5123,"ayanamsa_lahiri":24.1558,"grahas":{"sun":{"sidereal_longitude":137.59133099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":100.686331,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":3.6409},"mars":{"sidereal_longitude":148.45233100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":162.11953100000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":301.121531,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":177.66423099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":283.834831,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":45.6137,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":225.6137,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2021,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459461.770833,"kali_year":5123,"ahargana":1870996.2708,"sun":{"sidereal_longitude":136.8421,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":99.6483,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.8062,"elapsed_within_tithi_degrees":10.8062},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":99.6483,"elapsed_within_degrees":6.3149},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.4903},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.641,"elongation":37.194},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.641,"opposition_distance":142.806}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:08","sunsetLocal":"18:27","solarNoonLocal":"12:18","dayLengthHours":12.306616942252106,"dayLengthDisplay":"12 Hours 18 Mins 24 Secs","nightLengthDisplay":"11 Hours 41 Mins 36 Secs","moonriseLocal":"03:32","moonsetLocal":"16:08","rahuKala":{"name":"Rāhu Kāla","start":"09:13","end":"10:45","startHours":9.217235162816038,"endHours":10.755562280597552,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:50","end":"15:22","startHours":13.832216516160578,"endHours":15.370543633942091,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:08","end":"07:41","startHours":6.140580927253011,"endHours":7.678908045034524,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:25","startHours":9.01212488044517,"endHours":9.422345445186906,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:59","startHours":6.6533566331801826,"endHours":6.981533084973572,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:42","startHours":11.883668833637328,"endHours":12.704109963120802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:19","startHours":4.499698668286063,"endHours":5.320139797769538,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:08","startHours":5.115029515398669,"endHours":6.140580927253011,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:10","startHours":14.344992222087747,"endHours":15.16543335157122,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.24719786950512,"endHours":18.647197869505117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:58","startHours":18.447197869505118,"endHours":18.95997357543229,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.197197869505118,"endHours":19.947197869505118,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:42","startHours":23.883668833637326,"endHours":24.704109963120803,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:08","end":"07:41","startHours":6.140580927253011,"endHours":7.678908045034524,"quality":"inauspicious"},{"name":"Śubha","start":"07:41","end":"09:13","startHours":7.678908045034524,"endHours":9.217235162816038,"quality":"auspicious"},{"name":"Roga","start":"09:13","end":"10:45","startHours":9.217235162816038,"endHours":10.755562280597552,"quality":"inauspicious"},{"name":"Udveg","start":"10:45","end":"12:18","startHours":10.755562280597552,"endHours":12.293889398379065,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:50","startHours":12.293889398379065,"endHours":13.832216516160578,"quality":"neutral"},{"name":"Labha","start":"13:50","end":"15:22","startHours":13.832216516160578,"endHours":15.370543633942091,"quality":"auspicious"},{"name":"Amṛta","start":"15:22","end":"16:55","startHours":15.370543633942091,"endHours":16.908870751723605,"quality":"auspicious"},{"name":"Kāla","start":"16:55","end":"18:27","startHours":16.908870751723605,"endHours":18.447197869505118,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:27","end":"19:55","startHours":18.447197869505118,"endHours":19.908870751723605,"quality":"auspicious"},{"name":"Amṛta","start":"19:55","end":"21:22","startHours":19.908870751723605,"endHours":21.37054363394209,"quality":"auspicious"},{"name":"Kāla","start":"21:22","end":"22:50","startHours":21.37054363394209,"endHours":22.832216516160578,"quality":"inauspicious"},{"name":"Śubha","start":"22:50","end":"00:18","startHours":22.832216516160578,"endHours":24.293889398379065,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:45","startHours":24.293889398379065,"endHours":25.75556228059755,"quality":"inauspicious"},{"name":"Udveg","start":"01:45","end":"03:13","startHours":25.75556228059755,"endHours":27.21723516281604,"quality":"inauspicious"},{"name":"Chala","start":"03:13","end":"04:41","startHours":27.21723516281604,"endHours":28.678908045034525,"quality":"neutral"},{"name":"Labha","start":"04:41","end":"06:08","startHours":28.678908045034525,"endHours":30.140580927253012,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.140580927253011,"endHours":7.140580927253011,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.140580927253011,"endHours":8.140580927253012,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.140580927253012,"endHours":9.140580927253012,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.140580927253012,"endHours":10.140580927253012,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.140580927253012,"endHours":11.140580927253012,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.140580927253012,"endHours":12.140580927253012,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.140580927253012,"endHours":13.140580927253012,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.140580927253012,"endHours":14.140580927253012,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.140580927253012,"endHours":15.140580927253012,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.140580927253012,"endHours":16.140580927253012,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.140580927253012,"endHours":17.140580927253012,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.140580927253012,"endHours":18.140580927253012,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.140580927253012,"endHours":19.140580927253012,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.140580927253012,"endHours":20.140580927253012,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.140580927253012,"endHours":21.140580927253012,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.140580927253012,"endHours":22.140580927253012,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.140580927253012,"endHours":23.140580927253012,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.140580927253012,"endHours":24.140580927253012,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.140580927253012,"endHours":25.140580927253012,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.140580927253012,"endHours":26.140580927253012,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.140580927253012,"endHours":27.140580927253012,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.140580927253012,"endHours":28.140580927253012,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.140580927253012,"endHours":29.140580927253012,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.140580927253012,"endHours":30.140580927253012,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":7.156174283635322,"eotMinutes":1.4978360972560227,"ayanamsa":24.1558}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Dvādaśī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 4, 2021 CE · Erode, Tamil Nadu · Vidhyamitra","description":"September 4, 2021 CE for Erode, Tamil Nadu: Kṛṣṇa Dvādaśī, sūryodaya 06:08, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/2021-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/2021-09-04","sa":"https://sa.vidhyamitra.com/city/erode/2021-09-04","hi":"https://hi.vidhyamitra.com/city/erode/2021-09-04","x-default":"https://vidhyamitra.com/city/erode/2021-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T02:39:08.397Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-15T02:39:08.398Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T02:39:08.398Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}